How do I perfrom the above for the content of several columns of data that I have which need to be changed from positive to negative numbers.
Thank you
How do I perfrom the above for the content of several columns of data that I have which need to be changed from positive to negative numbers.
Thank you
There are a number of different ways to do this, include multiplying the entire column by -1.
Here is our tutorial on this topic: Change the Sign of Numbers